| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] for some time | 206 |
|
| 2 | [vb base] [vb pp] for some | 38 |
|
| 3 | [vb base] for some time | 25 |
|
| 4 | [vb base] [vb pp] some time | 18 |
|
